19976811

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6733}}^1$

素因数の和:6802

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 8467605

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6733, 20199, 154859, 289519, 464577, 868557, 6658937, 19976811]

約数ペア:

[(1, 19976811), (3, 6658937), (23, 868557), (43, 464577), (69, 289519), (129, 154859), (989, 20199), (2967, 6733)]